Changeset 965dc18 in mainline for kernel/arch/sparc64/src/smp/ipi.c

Timestamp:

2008-12-05T19:59:03Z (16 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

49093a4

Parents:

0258e67

Message:

Merge sparc branch to trunk.

File:

• kernel/arch/sparc64/src/smp/ipi.c (modified) (2 diffs)

kernel/arch/sparc64/src/smp/ipi.c

@@ -47 +47 @@
 #include <panic.h>
 
+/** Set the contents of the outgoing interrupt vector data.
+ *
+ * The first data item (data 0) will be set to the value of func, the
+ * rest of the vector will contain zeros.
+ *
+ * This is a helper function used from within the cross_call function.
+ *
+ * @param func value the first data item of the vector will be set to
+ */
+static inline void set_intr_w_data(void (* func)(void))
+{
+#if defined (US)
+        asi_u64_write(ASI_INTR_W, ASI_UDB_INTR_W_DATA_0, (uintptr_t) func);
+        asi_u64_write(ASI_INTR_W, ASI_UDB_INTR_W_DATA_1, 0);
+        asi_u64_write(ASI_INTR_W, ASI_UDB_INTR_W_DATA_2, 0);
+#elif defined (US3)
+        asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_0, (uintptr_t) func);
+        asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_1, 0);
+        asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_2, 0);
+        asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_3, 0);
+        asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_4, 0);
+        asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_5, 0);
+        asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_6, 0);
+        asi_u64_write(ASI_INTR_W, VA_INTR_W_DATA_7, 0);
+#endif
+}
+
 /** Invoke function on another processor.
  *
@@ -74 +101 @@
                 panic("Interrupt Dispatch Status busy bit set\n");
         
+        ASSERT(!(pstate_read() & PSTATE_IE_BIT));
+        
         do {
-                asi_u64_write(ASI_UDB_INTR_W, ASI_UDB_INTR_W_DATA_0,
-                    (uintptr_t) func);
-                asi_u64_write(ASI_UDB_INTR_W, ASI_UDB_INTR_W_DATA_1, 0);
-                asi_u64_write(ASI_UDB_INTR_W, ASI_UDB_INTR_W_DATA_2, 0);
-                asi_u64_write(ASI_UDB_INTR_W,
+                set_intr_w_data(func);
+                asi_u64_write(ASI_INTR_W,
                     (mid << INTR_VEC_DISPATCH_MID_SHIFT) |
-                    ASI_UDB_INTR_W_DISPATCH, 0);
+                    VA_INTR_W_DISPATCH, 0);
         
                 membar();